Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {2, 8, 29, 15, 25, 13} → ______
- Prime numbers in {19, 29, 11, 25, 5, 13} → ______
- Prime numbers in {29, 3, 15, 25, 27, 13} → ______
- Prime numbers in {7, 15, 11, 25, 9, 12} → ______
- Prime numbers in {5, 11, 25, 13, 21, 19} → ______
- Prime numbers in {8, 17, 13, 23, 9, 21} → ______
- Prime numbers in {2, 13, 19, 15, 25, 3} → ______
- Prime numbers in {19, 21, 25, 12, 23, 9} → ______
- Prime numbers in {12, 9, 2, 21, 23, 11} → ______
- Prime numbers in {29, 13, 11, 21, 8, 25} → ______
- Prime numbers in {15, 9, 12, 3, 21, 13} → ______
- Prime numbers in {12, 9, 25, 15, 29, 7} → ______
- Prime numbers in {17, 7, 8, 23, 13, 29} → ______
- Prime numbers in {2, 21, 13, 27, 15, 17} → ______
- Prime numbers in {21, 9, 3, 29, 15, 13} → ______
- Prime numbers in {25, 5, 21, 3, 11, 12} → ______
- Prime numbers in {17, 19, 29, 2, 11, 15} → ______
- Prime numbers in {27, 29, 9, 8, 17, 23} → ______
- Prime numbers in {17, 21, 8, 25, 29, 9} → ______
- Prime numbers in {21, 23, 19, 15, 8, 29} → ______